METHOD FOR MANUFACTURING LACTAM

Japanese Patent JP3929694

B2

PROBLEM TO BE SOLVED: To provide a method for manufacturing a lactam expressed by formula (I) (wherein, R is same as described later; R1 is H, a 1-6C alkyl, a 1-6C hydroxyalkyl or a phenyl group).
SOLUTION: (a) A lactone expressed by formula (II) (wherein, R is a 2-10C alkylene which is optionally substituted with a 1-6C alkyl or a phenyl group) is subjected to a gas phase reaction in the coexistence of (b) a primary, secondary or tertiary noncyclic amines optionally substituted with 1-3 substituents selected from a group consisting of a 1-6C alkyl, a 1-6C hydroxyalkyl and a phenyl group, and/or ammonia and (c) water using crystalline aluminum silicate zeolite as a catalyst.

JP4017345	Cyclic hydrolysis method of aminonitrile compound to lactam
WO/1999/011615	MOULDABLE MATERIALS WHICH CAN BE USED AS A CATALYST
JP2003531892	[Title of Invention] Method for producing caprolactam

Chen Akira
Fukunobu Hayashi
Goodness
Cai shinrin
Hayashi Shumin

JP2000357470A

June 13, 2007

November 24, 2000

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Dalian Chemical Industry Co., Ltd.

C07D201/08; C07D223/10; C07B61/00; C07D205/08; C07D207/267; C07D211/76; C07D207/26; (IPC1-7): C07D201/08; C07D205/08; C07D207/267; C07D211/76; C07D223/10; //C07B61/00

JP47013228A
JP47021420B1
JP44004985B1
JP1186864A
JP57139062A

Aoyama Aoi
Yasuo Shibata

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